Java实现多文件压缩和解压缩代码

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Enumeration;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

import java.util.zip.ZipOutputStream;

public class TestZIP {

/**

* 功能:压缩多个文件成一个zip文件

* @param srcfile：源文件列表

* @param zipfile：压缩后的文件

*/

public static void zipFiles(File[] srcfile, File zipfile) {

byte[] buf = new byte[1024];

try {

//ZipOutputStream类：完成文件或文件夹的压缩

ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));

for (int i = 0; i < srcfile.length; i++) {

FileInputStream in = new FileInputStream(srcfile[i]);

out.putNextEntry(new ZipEntry(srcfile[i].getName()));

int len;

while ((len = in.read(buf)) > 0) {

out.write(buf, 0, len);

}

out.closeEntry();

in.close();

}

out.close();

System.out.println("压缩完成.");

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 功能:解压缩

* @param zipfile：需要解压缩的文件

* @param descDir：解压后的目标目录

*/

public static void unZipFiles(File zipfile, String descDir) {

try {

ZipFile zf = new ZipFile(zipfile);

for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {

ZipEntry entry = (ZipEntry) entries.nextElement();

String zipEntryName = entry.getName();

InputStream in = zf.getInputStream(entry);

OutputStream out = new FileOutputStream(descDir + zipEntryName);

byte[] buf1 = new byte[1024];

int len;

while ((len = in.read(buf1)) > 0) {

out.write(buf1, 0, len);

}

in.close();

out.close();

System.out.println("解压缩完成.");

}

} catch (Exception e) {

e.printStackTrace();

}

}

/**功能:

* @param args

*/

public static void main(String[] args) {

//2个源文件

File f1 = new File("D:\\test\\1.csv");

File f2 = new File("D:\\test\\2.xlsx");

File[] srcfile = { f1, f2 };

//压缩后的文件

File zipfile = new File("D:\\test\\3.zip");

TestZIP.zipFiles(srcfile, zipfile);

//需要解压缩的文件

File file = new File("D:\\test\\3.zip");

//解压后的目标目录

String dir = "D:\\test\\1\\";

TestZIP.unZipFiles(file, dir);

}

} 转自：http://blog.csdn.net/zdp072/article/details/44177925